Display screen or portion thereof with icon



FIG. 1 is the front view of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is an enlarged view of the icon in FIG. 1, shown separately for clarity of illustration.

The outer perimeter illustrated by broken lines in FIG. 1 depicts a display screen or portion thereof and forms no part of the claimed design. The remaining broken lines in the figures depict portions of the icon that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 